*{
    margin:0;
    padding: 0;
}
.warper{
    text-align: center;

}
.header{
    padding-top: 66px;
    padding-bottom: 82px;
    background-color: #e9ecef;
}
.header h1{
    font-size: 50px;
    font-weight: 100;
}
.clearfix:before{
    content: "";
    display: block;
    clear: both;
}
.main{
    height: 50px;
    margin-left: 250px;
    margin-top: 10px;
}
.main-left,.main-center,.main-right,.main-left ul li,.main-right ul li{
    float: left;
    list-style: none;
}
.main a{
    text-decoration: none;
}
.main-left .btn1,.main-right .btn1{
    padding: 10px 60px 10px 60px;
    line-height: 38px;
    cursor: pointer;
    border-radius: 5px;
}
.main-left .btn2,.main-right .btn2{
    padding: 10px 60px 10px 60px;
    line-height: 38px;
    cursor: pointer;
    border-radius: 5px;
}
.main-center{
    width: 255px;
    height: 38px;
    background-color: #6c757d;
    border-radius: 5px;
    margin-left: 100px;
    margin-right: 100px;
    line-height: 38px;
    cursor: pointer;
}
.naber .text1{
    background-color: antiquewhite;
}
.active{
    background-color: #5aaaff;
    color: #fff;
}
.naber textarea{
    width: 538px;
    height: 130px;
    border-radius: 5px;
    border: 1px solid #000;
}
.footer{
    margin-left: 250px;
}

.footer button{
    padding: 18px 70px;
    background-color: #007bff;
    border-radius: 5px;
    color: #fff;
    border: none;
    text-decoration: none;
    cursor: pointer;
}